977076456 has 16 divisors (see below), whose sum is σ = 2442691200. Its totient is φ = 325692144.

The previous prime is 977076449. The next prime is 977076509. The reversal of 977076456 is 654670779.

It is a junction number, because it is equal to n+sod(n) for n = 977076399 and 977076408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20355736 + ... + 20355783.

It is an arithmetic number, because the mean of its divisors is an integer number (152668200).

Almost surely, 2^977076456 is an apocalyptic number.

It is an amenable number.

977076456 is an abundant number, since it is smaller than the sum of its proper divisors (1465614744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977076456 is a wasteful number, since it uses less digits than its factorization.

977076456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40711528 (or 40711524 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 51.

The square root of 977076456 is about 31258.2222143231. Note that the first 4 decimals coincide. The cubic root of 977076456 is about 992.2996758719.

The spelling of 977076456 in words is "nine hundred seventy-seven million, seventy-six thousand, four hundred fifty-six".